Toyo Snowprox S954 is a winter tyre made in total of 110 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/55 R18 is 70mm wider than the narrowest dimension (185) and 40mm narrower than the widest one (295). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (255mm), which results in 140.25mm sidewall height. In
255/55 R18, Snowprox S954 usually competes against
EuroWinter HS01, which is a tyre from
Falken with a rating of 0%, compared to 0% of the
Toyo in question.